# *-*- coding:utf-8 -*-
# @Author  : ygree 
# @Time    : 2021/7/17 22:29
# @Software : RubyMine

def test_sayHello(name = "OK")
  #默认参数
  puts "hello #{name}"

end

sk = "" "sadffsf" ""
puts sk
test_sayHello("zz")